Palindromi

use std::io;

fn main() {
    let mut input = String::new();
    io::stdin().read_line(&mut input).expect("failed to readline");
    let input = input.trim();
    let size: usize = input.len();
    let mut steps: i32 = 0;

    for i in 0..size {
        let c1: char = input.as_bytes()[i] as char;
        let c2: char = input.as_bytes()[(size - 1) - i] as char;
        if size % 2 == 0 {
            if i == size / 2 {
                break;
            } else if c1 != c2 {
                steps += 1;
            }  
        } else {
            if i == (size - 1) / 2 {
                break;
            } else if c1 != c2 {
                steps += 1;
            }  
        }
    }
    println!("{}", steps);
}

Test 1 (public)

Verdict: ACCEPTED

Test 2 (public)

Verdict: ACCEPTED

Test 3 (public)

Verdict: ACCEPTED

Test 4 (public)

Verdict: ACCEPTED

Test 5 (public)

Verdict: ACCEPTED

Test 6 (public)

Verdict: ACCEPTED

Test 7 (public)

Verdict: ACCEPTED

Test 8 (public)

Verdict: ACCEPTED

Test 9 (public)

Verdict: ACCEPTED

Test 10 (public)

Verdict: ACCEPTED